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Definition df-qs 5951
Description: Define quotient set. is usually an equivalence relation. Definition of [Enderton] p. 58. (Contributed by set.mm contributors, 22-Feb-2015.)
Assertion
Ref Expression
df-qs
Distinct variable groups:   ,,   ,,

Detailed syntax breakdown of Definition df-qs
StepHypRef Expression
1 cA . . 3
2 cR . . 3
31, 2cqs 5946 . 2
4 vy . . . . . 6
54cv 1641 . . . . 5
6 vx . . . . . . 7
76cv 1641 . . . . . 6
87, 2cec 5945 . . . . 5
95, 8wceq 1642 . . . 4
109, 6, 1wrex 2615 . . 3
1110, 4cab 2339 . 2
123, 11wceq 1642 1
Colors of variables: wff setvar class
This definition is referenced by:  qseq1  5974  qseq2  5975  elqsg  5976  qsexg  5982  uniqs  5984  snec  5987
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